Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number ...

Uniqode reports QR Codes are expected to top 102.6M U.S. users this year.

Dynamic QR codes are the operational foundation of any serious QR strategy. Unlike static codes, they let you update the ...